Compression Tester
- Checks cylinder compression from 0 to 300 PSI and 0 to 21 kg/cm2
- Adapters fit 14 and 18mm Spark Plug Holes and Special Air-Hold Valve is included to Reset Gauge Easily
- Tester has a 16" rubber hose and is a serviceable product
- Includes special air-hold valve to easily reset gauge